CN217207405U

CN217207405U - Hollow universal joint capable of being internally provided with guide shaft

Info

Publication number: CN217207405U
Application number: CN202122897059.3U
Authority: CN
Inventors: 史洪超
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-08-16
Anticipated expiration: 2031-11-24

Abstract

The utility model belongs to the technical field of the mechanical transmission technique and specifically relates to a but hollow universal joint of built-in guiding axle is disclosed, which comprises an outer sleeve, symmetrical shaping has two first fixed orificess on the overcoat lateral wall, first fixed axle is installed in the rotation of first fixed orificess, overcoat internally mounted has to be fixed first epaxial endotheca of fixing, the shaping have on the endotheca lateral wall with the second fixed orifices that first fixed axle position and size match, symmetrical shaping has two third fixed orificess on the endotheca lateral wall, the second fixed axle is installed in the rotation of third fixed orifices, endotheca internally mounted has to be fixed epaxial inner tube of second fixing. The beneficial effects are that: structural design is reasonable, can replace the universal joint to carry out the transmission as the driving medium, also can regard as a to turn to the structure, and the inner tube can carry out multi-angle, multi freedom's direction change for the overcoat, simple structure, processing are simple, with low costs, and small, occupation space is little, convenient to use.

Description

Hollow universal joint capable of being internally provided with guide shaft

Technical Field

The utility model belongs to the technical field of mechanical transmission technique and specifically relates to a hollow universal joint that can embed guiding axle is related to.

Background

The universal joint is a machine part for realizing variable-angle power transmission and is used for changing the position of a transmission axis direction. The existing universal joint capable of realizing conversion of four degrees of freedom has a large volume, so that the occupied space is large during installation, and the universal joint cannot be used in many occasions.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hollow universal joint that can embed guiding axle just in order to solve above-mentioned problem.

The technical scheme of the utility model is realized like this:

the utility model provides a hollow universal joint that can embed guiding axle, includes the overcoat, symmetrical molding has two first fixed orificess on the overcoat lateral wall, first fixed orificess is installed in the rotation, overcoat internally mounted has to be fixed the last endotheca of first fixed orificess, the shaping has on the endotheca lateral wall with the second fixed orifices that first fixed axle position and size match, symmetrical molding has two third fixed orificess on the endotheca lateral wall, the second fixed axle is installed in the rotation in the third fixed orifices, endotheca internally mounted has to be fixed the epaxial inner tube of second fixed axle, shaping has on the inner tube one end lateral wall with the fourth fixed orifices that second fixed axle position and size match.

Furthermore, a first reinforcing body is formed on the inner wall of the outer sleeve at a position close to the first fixing hole, and the distance between the two first reinforcing bodies is larger than the outer diameter of the inner sleeve.

Furthermore, a second reinforcing body is formed on the inner wall of the inner sleeve at a position close to the third fixing holes, and the distance between the two third fixing holes is larger than the outer diameter of the inner sleeve.

By adopting the technical scheme, the beneficial effects of the utility model are that: structural design is reasonable, can replace the universal joint to carry out the transmission as the driving medium, also can turn to the structure as one, and the inner tube can carry out multi-angle, multi freedom's direction change for the overcoat, can freely rotate the regulation direction after passing axle, cable, pipeline from the inner tube, simple structure, processing are simple, with low costs, and small, occupation space is little, convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a perspective view of the outer cover of the present invention;

FIG. 4 is a perspective view of the inner sleeve of the present invention;

fig. 5 is a perspective view of the inner tube of the present invention.

The reference numerals are explained below:

1. a jacket; 11. a first reinforcing body; 12. a first fixing hole; 2. an inner sleeve; 21. a second reinforcing body; 22. A second fixing hole; 23. a third fixing hole; 3. an inner barrel; 31. a fourth fixing hole; 4. a first fixed shaft; 5. a second stationary shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 5, a hollow universal joint capable of being internally provided with a guide shaft comprises an outer sleeve 1, two first fixing holes 12 are symmetrically formed on the side wall of the outer sleeve 1, first fixing shafts 4 are rotatably mounted in the first fixing holes 12, an inner sleeve 2 fixed on the first fixing shafts 4 is mounted in the outer sleeve 1, second fixing holes 22 matched with the first fixing shafts 4 in position and size are formed on the side wall of the inner sleeve 2, the inner sleeve 2 can rotate at a certain angle relative to the outer sleeve 1, first reinforcing bodies 11 are formed on the inner wall of the outer sleeve 1 at positions close to the first fixing holes 12, the strength of the positions of the first fixing holes 12 can be increased, the service life is prolonged, the distance between the two first reinforcing bodies 11 is larger than the outer diameter of the inner sleeve 2, two third fixing holes 23 are symmetrically formed on the side wall of the inner sleeve 2, the second fixing shafts 5 are rotatably mounted in the third fixing holes 23, the inner sleeve 2 is internally provided with the inner sleeve 3 fixed on the second fixing shaft 5, the side wall of one end of the inner sleeve 3 is formed with a fourth fixing hole 31 matched with the position and the size of the second fixing shaft 5, the inner sleeve 3 can rotate at a certain angle relative to the inner sleeve 2, the inner wall of the inner sleeve 2 is formed with a second reinforcing body 21 at a position close to the third fixing hole 23, the strength of the position of the third fixing hole 23 can be increased, the service life is prolonged, and the distance between the two third fixing holes 23 is larger than the outer diameter of the inner sleeve 3.

The utility model discloses a theory of operation does: when the universal joint is used, the outer sleeve 1 is fixed on one of the transmission shafts, the other transmission shaft is inserted into the inner cylinder 3 and fixed, the two transmission shafts can perform multi-angle conversion, and therefore direction-changing transmission is achieved, the universal joint can also serve as a reversing universal joint, and pipelines and cables penetrate through the inner cylinder 3 to be used.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a hollow universal joint that can embed guiding axle which characterized in that: comprises an outer sleeve (1), two first fixing holes (12) are symmetrically formed on the side wall of the outer sleeve (1), a first fixed shaft (4) is rotatably arranged in the first fixed hole (12), an inner sleeve (2) fixed on the first fixed shaft (4) is arranged in the outer sleeve (1), a second fixing hole (22) matched with the first fixing shaft (4) in position and size is formed on the side wall of the inner sleeve (2), two third fixing holes (23) are symmetrically formed on the side wall of the inner sleeve (2), a second fixed shaft (5) is rotatably arranged in the third fixed hole (23), an inner cylinder (3) fixed on the second fixed shaft (5) is arranged in the inner sleeve (2), and a fourth fixing hole (31) matched with the second fixing shaft (5) in position and size is formed in the side wall of one end of the inner cylinder (3).

2. A hollow joint with a guide shaft inside according to claim 1, wherein: a first reinforcing body (11) is formed on the inner wall of the outer sleeve (1) at a position close to the first fixing hole (12), and the distance between the two first reinforcing bodies (11) is larger than the outer diameter of the inner sleeve (2).

3. A hollow joint with a guide shaft inside, according to claim 1, wherein: and a second reinforcing body (21) is formed on the inner wall of the inner sleeve (2) at a position close to the third fixing holes (23), and the distance between the two third fixing holes (23) is greater than the outer diameter of the inner cylinder (3).